CN219664645U - Oil removing device - Google Patents

Abstract

The utility model relates to an oil removing device which is used for removing oil from a common rail pipe. The oil removing device comprises a frame, a positioning mechanism arranged on the frame and a cleaning mechanism. The positioning mechanism comprises at least one group of positioning components, each positioning component comprises at least two positioning pieces which are arranged in a row along the first direction, and the top of each positioning piece is provided with a groove. The grooves of each positioning member are configured to support the same common rail tube in the same positioning assembly. Further, the cleaning mechanism includes a nozzle provided in correspondence with the positioning assembly, the nozzle being configured to be capable of ejecting the cleaning fluid toward the common rail pipe. The oil removing device has higher oil removing efficiency on the common rail pipe.

Description

Oil removing device

Technical Field

The utility model relates to the field of production and manufacturing of common rail pipe assemblies, in particular to an oil removing device applied to a common rail pipe.

Background

The high-pressure common rail system is widely applied to the field of diesel engines, a common rail pipe is one of core components of the high-pressure common rail system, oil is required to be communicated to the common rail pipe and performance test is required to be carried out in the production process of the common rail pipe in order to ensure the service performance of the common rail pipe, and oil is required to be removed from the common rail pipe after the test is completed.

In the related art, there is a degreasing device for stainless steel pipes, in which a plurality of rollers are provided side by providing a bracket. When the stainless steel tube is deoiled, the stainless steel tube is placed between two adjacent rollers, so that the stainless steel tube is fixed, and the deoiling is convenient to be carried out. However, the common rail pipe is of an irregular tubular structure, and the circumferential direction of the outer surface thereof is provided with outwardly protruding fixing legs and a plurality of joints, and oil removal cannot be performed using the oil removal device for stainless steel pipes in the related art.

At present, no oil removing device for the common rail pipe exists, and in actual production, a natural draining mode is generally adopted to remove oil from the common rail pipe. The natural draining is long in time consumption, oil in the common rail pipe is difficult to completely remove, manual intervention is often required, and the efficiency is low.

Disclosure of Invention

Based on the above, it is necessary to provide an oil removal device for solving the problem that the oil removal efficiency of the common rail pipe is low at present.

The oil removing device comprises a frame, a positioning mechanism and a cleaning mechanism, wherein the positioning mechanism and the cleaning mechanism are arranged on the frame. The positioning mechanism comprises at least one group of positioning components, each positioning component comprises at least two positioning pieces which are arranged in a row along the first direction, and the top of each positioning piece is provided with a groove. The grooves of each positioning member are configured to support the same common rail tube in the same positioning assembly. Further, the cleaning mechanism includes a nozzle provided in correspondence with the positioning assembly, the nozzle being configured to be capable of ejecting the cleaning fluid toward the common rail pipe.

In one embodiment, the positioning mechanism further comprises a first support member fixedly connected with the frame. The quantity of the positioning components is multiple groups, the multiple groups of positioning components are arranged on the first supporting piece, and the multiple groups of positioning components are arranged side by side along the second direction. Wherein the first direction and the second direction are perpendicular to each other.

In one embodiment, the cleaning mechanism further comprises a moving assembly provided on the frame, and the nozzle is mounted on the moving assembly and disposed toward the positioning mechanism. The moving component is configured to drive the nozzle to move linearly along a first direction and a second direction.

In one embodiment, the moving assembly includes a first rail, a second rail, and a second support. The first guide rail is connected to the frame and extends along a first direction. The second guide rail is connected with the first guide rail in a sliding manner along the first direction and extends along the second direction. The second support piece is connected with the second guide rail in a sliding mode along a second direction, and the nozzle is detachably connected with the second support piece.

In one embodiment, the number of the nozzles is two, the two nozzles are sequentially arranged along the second direction, and each nozzle is respectively corresponding to one group of positioning assemblies.

In one embodiment, the oil removal device further comprises an oil collecting disc, wherein the oil collecting disc is arranged on the frame, and the oil collecting disc, the positioning mechanism and the cleaning mechanism are sequentially arranged along the third direction. The third direction is perpendicular to the first direction and the second direction.

In one embodiment, the first support is provided with a plurality of through holes along the third direction, and a gap is arranged between the first support and the oil collecting disc.

In one embodiment, the oil removing device further comprises a first packaging piece and a second packaging piece, the first packaging piece and the oil collecting disc are arranged on the outer side of the frame in a sealing mode, and the oil collecting disc, the first packaging piece and the frame enclose a containing cavity with an opening. The second packaging piece is arranged at the opening and is connected with the rack in a sliding manner along a third direction so as to open and close the opening. The positioning mechanism and the cleaning mechanism are both arranged in the accommodating cavity.

In one embodiment, the oil removing device further comprises a negative pressure mechanism, the oil collecting disc is provided with a connecting hole, the negative pressure mechanism is communicated with the accommodating cavity through the connecting hole, and the negative pressure mechanism is configured to provide a suction force for the accommodating cavity so that a position, close to the oil collecting disc, in the accommodating cavity is in a negative pressure state.

In one embodiment, the oil removing device further comprises two jacking cylinders extending along the third direction, the cylinder barrels of the jacking cylinders are fixedly mounted on the frame, and the piston rods of the jacking cylinders are connected with the second packaging piece at different positions along the first direction.

The oil removing device is provided with a positioning mechanism, the positioning component of the positioning mechanism comprises at least two positioning pieces which are arranged in a row along the first direction, and the top of each positioning piece is provided with a groove for placing a common rail pipe. The locating piece in the locating component forms the support to the common rail pipe jointly for the common rail pipe can be placed on the locating component stably, thereby realizes the location to the common rail pipe. At this time, the cleaning mechanism sprays cleaning fluid to the common rail pipe through the nozzle, and under the impact action of the fluid, the cleaning mechanism can rapidly remove oil from the inside and the outside of the common rail pipe, and the oil removal efficiency of the common rail pipe is greatly improved.

Drawings

Fig. 1 is a schematic structural view of a common rail pipe.

Fig. 2 is a schematic diagram of an overall structure of an oil removing device according to an embodiment of the present utility model.

Fig. 3 is a top view of an oil removing device according to an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of a positioning mechanism in an oil removing device according to an embodiment of the present utility model.

Fig. 5 is a schematic structural diagram of a positioning mechanism in an oil removing device according to an embodiment of the present utility model.

Reference numerals: 1. a frame; 11. a receiving chamber; 2. a positioning mechanism; 21. a positioning piece; 22. a first support; 3. a cleaning mechanism; 31. a nozzle; 32. a first guide rail; 33. a second guide rail; 34. a second support; 4. an oil collecting tray; 41. a connection hole; 5. a second package; 6. a negative pressure mechanism; 7. jacking the air cylinder; 71. a cylinder; 72. a piston rod; 100. a common rail pipe; 110. fixing the support legs; 120. an interface.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

Referring to fig. 1, fig. 1 shows a schematic structural view of a common rail pipe 100, and the common rail pipe 100 is one of core components of a high-pressure common rail system, and the common rail pipe 100 is generally constructed in an irregular tubular structure. As shown in fig. 1, the outer surface of the common rail 100 is provided with a plurality of fixing legs 110 protruding outwards and connectors 120, typically, two radial sides of the common rail 100 are respectively provided with a row of connectors 120 arranged along the axial direction, the two rows of connectors 120 are mutually communicated, and a row of fixing legs 110 arranged along the axial direction are further provided between the two rows of connectors 120. Therefore, when the common rail pipe 100 is deoiled, it is difficult to smoothly place the common rail pipe 100 on the table surface, so there is no deoiling device for the common rail pipe 100. In actual production, the common rail pipe 100 is generally deoiled by adopting a natural draining mode. The natural draining is often time-consuming, difficult to completely remove the oil inside the common rail pipe 100, often requires manual intervention, is labor-consuming, and has low efficiency.

Based on the problem that the oil removal efficiency of the common rail pipe 100 is low at present, the utility model provides an oil removal device for removing oil from the common rail pipe 100. Referring to fig. 2 to 5, fig. 2 shows an overall schematic diagram of a degreasing apparatus according to an embodiment of the present utility model, fig. 3 shows a top view of the degreasing apparatus according to an embodiment of the present utility model, fig. 4 shows a schematic diagram of a positioning mechanism in the degreasing apparatus according to an embodiment of the present utility model when applied, and fig. 5 shows a schematic diagram of a positioning mechanism in the degreasing apparatus according to an embodiment of the present utility model, in which the degreasing apparatus includes a frame 1, a positioning mechanism 2 and a cleaning mechanism 3 disposed on the frame 1. Wherein, the positioning mechanism 2 includes at least one group of positioning components, each group of positioning components includes at least two positioning members 21 arranged in a row along the first direction X, and a groove is formed at the top of each positioning member 21. The grooves of each positioning member 21 are configured to support the same common rail pipe 100 in the same positioning assembly. The cleaning mechanism 3 includes a nozzle 31 provided in correspondence with the positioning unit, and the nozzle 31 is configured to be capable of ejecting the cleaning fluid toward the common rail pipe 100.

In actual use, the common rail 100 is placed on a set of positioning components, the grooves at the top of each positioning component 21 respectively support a part of the common rail 100, and at least two positioning components 21 arranged in a row along the first direction X in the set of positioning components together support the common rail 100, so as to avoid interference from the fixing support legs 110 and the connectors 120 in the circumferential direction of the common rail 100. Because the gravity of the common rail pipe 100 is large, the common rail pipe 100 can be stably placed on the positioning mechanism 2. At this time, the cleaning mechanism 3 in the oil removing device sprays cleaning fluid to the common rail pipe 100 through the nozzle 31, so that the oil can be removed from the inside and the outside of the common rail pipe 100 rapidly under the impact of the fluid, the oil removing efficiency is high, and compared with a natural draining mode, the oil removing device disclosed by the utility model is more thorough in oil removing, and is beneficial to improving the production efficiency of the common rail pipe 100.

The first direction X is an arrangement direction of the positioning members 21 in the same group of positioning assemblies of the positioning mechanism 2, and specifically, the first direction X may correspond to a length direction or a width direction of the oil removing device. The first direction X may be, for example, a length direction of the oil removing device.

Illustratively, the groove at the top of the positioning member 21 may be configured in an arc-like structure, the groove of which is adapted to the shape of the outer surface of the common rail pipe 100. Illustratively, the recess at the top of the retainer 21 may also be configured as a "V" shaped structure.

Further, the cleaning fluid ejected from the nozzle 31 may be a liquid or a gas, and the fluid may be compressed air, for example. Illustratively, the oil removal apparatus of the present utility model further includes an air source and an air filter fixedly disposed on the frame 1 and in communication with the nozzle 31. When the oil removing device is used, compressed air provided by the air source firstly flows through the air filter, water and oil in the compressed air are removed through the air filter, and then the compressed air is introduced into the nozzle 31, so that the common rail pipe 100 is prevented from being rusted due to the water in the compressed air, and the oil removing reliability is ensured. Illustratively, a regulating valve is also provided between the air filter and the nozzle 31 to facilitate regulating the injection pressure of the gas emitted by the nozzle 31.

In some embodiments, referring to fig. 4 and 5, the positioning mechanism 2 further includes a first support 22, where the first support 22 is fixedly connected to the frame 1. The number of the positioning components is multiple, the multiple positioning components are all arranged on the first supporting piece 22, and the multiple positioning components are arranged side by side along the second direction Y. When degreasing the common rail pipe 100, one common rail pipe 100 can be placed on each set of positioning assemblies. In this embodiment, the first supporting member 22 is provided with a plurality of groups of positioning assemblies, so that a plurality of common rail pipes 100 can be placed at the same time, batch oil removal of the common rail pipes 100 is realized, and oil removal efficiency of the oil removal device is further improved.

The first direction X and the second direction Y are perpendicular to each other, and the second direction Y is an arrangement direction of a plurality of groups of positioning components of the positioning mechanism 2. The second direction Y may correspond to a width direction of the degreasing device, for example.

For example, the first supporting member 22 may be configured in a flat plate-like structure, each positioning member 21 may be welded, bonded or riveted to the first supporting member 22, and each positioning member 21 may be integrally provided with the first supporting member 22. By way of example, the positioning assembly may be provided with 2 groups, 3 groups, 4 groups, 5 groups, or other numbers. Preferably, the positioning assemblies may be arranged in 4 groups.

Specifically, the frame 1 may be formed by overlapping a plurality of profiles, and the positioning mechanism 2 and the cleaning mechanism 3 are fixedly connected with the profiles. The frame 1 comprises, by way of example, two profiles at the bottom of the first support 22, to which the first support 22 is bolted.

Further, in some embodiments, referring to fig. 2 and 3, the cleaning mechanism 3 further includes a moving component disposed on the frame 1, the nozzle 31 is mounted on the moving component and disposed towards the positioning mechanism 2, and the moving component is configured to drive the nozzle 31 to make a linear motion along the first direction X and the second direction Y, so that the nozzle 31 can move in a setting area of the positioning mechanism 2, thereby implementing oil removal of the plurality of common rail pipes 100, and improving oil removal efficiency.

Referring to fig. 2 and 3, in some embodiments, the movement assembly includes a first rail 32, a second rail 33, and a second support 34. Specifically, the first guide rail 32 is connected to the frame 1 and extends in the first direction X. The second rail 33 is slidably connected to the first rail 32 along the first direction X and extends along the second direction Y. The second support 34 is slidably connected to the second rail 33 along the second direction Y, and the nozzle 31 is detachably connected to the second support 34. Under the constraint action of the first guide rail 32 and the second guide rail 33, the second supporting piece 34 can respectively do linear motion along the first direction X and the second direction Y, so that the nozzle 31 is driven to move within the setting range of the positioning mechanism 2, the cleaning fluid sprayed by the nozzle 31 can cover the common rail pipe 100 to be degreased, and the reliability of degreasing is ensured.

Illustratively, the second support 34 extends between the second rail 33 and the positioning mechanism 2, and the second support includes a connecting end and a free end, the connecting end being slidably connected to the second rail 33 along the second direction Y, and the nozzle 31 being disposed at the free end thereof. Illustratively, the free end is provided with a through hole towards the positioning means 2, to which the nozzle 31 is detachably connected at the side of the through hole close to the positioning means 2. For example, the nozzle 31 may be screw-coupled with the through hole. Preferably, the nozzle 31 is in sealing connection with the through hole. Further, a communicating pipe is connected to an end of the through hole facing away from the nozzle 31, and the communicating pipe may be connected to an air source or an air filter.

The moving assembly may further include a first motor and a second motor, a first screw extending along the first direction X is disposed in the first guide rail 32, a first slider is fixed on the top of the second guide rail 33, and engaged with the first screw, and a driving end of the first motor is connected with the first screw to drive the first slider to move along the first direction X, so that the second guide rail 33 can move along the first direction X. Correspondingly, a second lead screw extending along the second direction Y is arranged in the second guide rail 33, the connecting end of the second supporting piece 34 is engaged with the second lead screw, and the driving end of the second motor is connected with the second lead screw to drive the second supporting piece 34 to move along the second direction Y.

The first guide rail 32 and the second guide rail 33 may also be linear motors, for example.

Further, in some embodiments, the number of the nozzles 31 is two, the two nozzles 31 are sequentially arranged along the second direction Y, each nozzle 31 is respectively corresponding to one set of positioning components, and the two nozzles 31 simultaneously correspond to two sets of positioning components, so as to remove oil from the two common rail pipes 100 at the same time, and improve oil removal efficiency.

For example, the free end of the second support 34 facing the positioning mechanism 2 may be provided with two through holes spaced apart along the second direction Y, each nozzle 31 being connected to a side of one of the through holes close to the positioning mechanism 2. Preferably, two nozzles 31 are respectively arranged corresponding to two adjacent positioning assemblies. It will be appreciated that the number of nozzles 31 may also be 3, 4 or other numbers.

Referring to fig. 2, in some embodiments, the oil removal device further includes an oil collecting disc 4, where the oil collecting disc 4 is disposed on the frame 1, and the oil collecting disc 4, the positioning mechanism 2, and the cleaning mechanism 3 are disposed in this order along the third direction Z. The third direction Z is perpendicular to the first direction X and the second direction Y. For example, the third direction Z may correspond to a height direction of the oil removing device. When the common rail pipe 100 is deoiled, the oil collecting disc 4, the positioning mechanism 2 and the cleaning mechanism 3 are sequentially arranged, so that the oil collecting disc 4 collects the oil carried by the cleaning fluid, and the working environment is prevented from being polluted.

Further, in the third direction Z, the first support 22 is provided with a plurality of through holes, and a gap is provided between the first support 22 and the oil collecting pan 4 so that the oil falling onto the surface of the first support 22 can be collected into the oil collecting pan 4. The frame 1 comprises, as an example, two profiles at the bottom of the first support 22, to which the first support 22 is bolted, the oil collecting pan 4 being located on the side of the two profiles facing away from the first support 22, so that a gap is left between the first support 22 and the oil collecting pan 4.

Referring to fig. 2, in some embodiments, the oil removing device further includes a first package and a second package 5, the first package and the oil collecting disc 4 are all hermetically disposed on the outer side of the frame 1, the oil collecting disc 4, the first package and the frame 1 enclose a containing cavity 11 with an opening together, the second package 5 is disposed at the opening and is slidingly connected with the frame 1 along the third direction Z to open and close the opening, and the positioning mechanism 2 and the cleaning mechanism 3 are all disposed in the containing cavity 11. In practical application, when the common rail pipe 100 is taken and placed, the second packaging piece 5 slides along the frame 1 in the third direction Z, and the opening of the accommodating cavity 11 is opened, so that the common rail pipe 100 is taken and placed at the opening; when the common rail pipe 100 is deoiled, the second packaging piece 5 slides along the opposite direction, and the opening of the accommodating cavity 11 is closed, so that the deoiling process of the common rail pipe 100 is performed in the closed space, and the phenomenon that oil on the common rail pipe 100 is sputtered everywhere due to the impact of cleaning fluid and pollutes the working environment is avoided.

By way of example, both the first package and the second package 5 may be constructed in a flat plate-like structure. Illustratively, the material of the first package may be plexiglass. Illustratively, a gap may be reserved between the top of the second enclosure 5 and the rack 1 to evacuate the cleaning fluid in the accommodating cavity 11, so as to avoid excessive pressure in the accommodating cavity 11.

Referring to fig. 2, in some embodiments, the oil removing device further includes two lifting cylinders 7 extending along the third direction Z, the cylinder tube 71 of each lifting cylinder 7 is fixedly mounted on the frame 1, and the piston rod 72 of each lifting cylinder 7 is connected with different positions of the second package 5 along the first direction X, so as to realize that the second package 5 opens or closes the opening of the accommodating cavity 11, which has high automation degree and is convenient for operation.

The second package 5 is, for example, provided with two mounting parts at different positions in the first direction X, the piston rod 72 of each jacking cylinder 7 being bolted to one of the mounting parts.

In some embodiments, the second package 5 may be disposed to extend along the second direction Y, and the piston rod 72 of each jacking cylinder 7 is connected to a different position of the second package 5 along the second direction Y.

Further, referring to fig. 2, in some embodiments, the degreasing apparatus further includes a negative pressure mechanism 6, the oil collecting disc 4 is provided with a connection hole 41, the negative pressure mechanism 6 is communicated with the accommodating cavity 11 through the connection hole 41, and the negative pressure mechanism 6 is configured to provide a suction force to the accommodating cavity 11, so that a position, close to the oil collecting disc 4, in the accommodating cavity 11 is in a negative pressure state. When the common rail pipe 100 is deoiled, oil mist is formed in the accommodating cavity 11, and under the action of negative pressure, the oil mist in the accommodating cavity 11 and the oil in the oil collecting disc 4 are adsorbed into the negative pressure mechanism 6 through the connecting hole 41, so that the oil mist is prevented from drifting into surrounding working environments.

Illustratively, an air pump may be disposed within the negative pressure mechanism 6. Illustratively, an oil mist filter is further disposed in the negative pressure mechanism 6, which is capable of filtering oil in the oil mist and recycling the filtered oil.

Further, in some embodiments, the degreasing device further includes a control unit (not shown) electrically connected to the moving assembly, and the control unit is configured to adjust a position, a moving speed, and a residence time at a certain position where the moving assembly moves the nozzle 31. The moving speed of the nozzle 31 between different interfaces 120 of the common rail pipe 100 and the moving speed along the extending direction of the common rail pipe 100 can be adjusted through the control unit so as to adjust the processing beat, adapt to the common rail pipes 100 with different specifications, realize the oil removal of the common rail pipes 100 with various specifications, and have strong applicability.

The control unit comprises the following control steps (taking 4 positioning components as 4 groups, and the number of the nozzles 31 is 2 as an example): initially, two nozzles 31 respectively correspond to one common rail pipe 100, and the control unit controls the moving assembly to drive the two nozzles 31 to move along the first direction X, and stay for 3 seconds at each interface 120 of the common rail pipe 100 until the oil removal of two common rail pipes 100 is completed; the control unit controls the moving assembly to drive the two nozzles 31 to move along the second direction Y, so that the two nozzles 31 respectively correspond to the other two common rail pipes 100; the control unit again controls the moving assembly to drive the two nozzles 31 to move along the first direction X and stay at each joint 120 of the common rail pipe 100 for 3 seconds until the oil removal of the other two common rail pipes 100 is completed.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. An oil removing apparatus for removing oil from a common rail pipe, comprising:

a frame;

the positioning mechanism is arranged on the rack and comprises at least one group of positioning components, each positioning component comprises at least two positioning pieces which are arranged in a row along a first direction, the top of each positioning piece is provided with a groove, and in the same positioning component, the grooves of each positioning piece are configured to be capable of supporting the same common rail pipe; and

and a cleaning mechanism provided on the frame, the cleaning mechanism including a nozzle provided in correspondence with the positioning unit, the nozzle being configured to be capable of jetting a cleaning fluid toward the common rail pipe.

2. The oil removal apparatus as claimed in claim 1, wherein the positioning mechanism further comprises a first support member fixedly connected to the frame;

the number of the positioning components is multiple, the multiple positioning components are arranged on the first supporting piece, and the multiple positioning components are arranged side by side along the second direction;

the first direction and the second direction are perpendicular to each other.

3. The oil removal device of claim 2, wherein the cleaning mechanism further comprises a moving assembly provided to the frame, the nozzle is mounted to the moving assembly and disposed toward the positioning mechanism, and the moving assembly is configured to drive the nozzle to move linearly in the first direction and the second direction.

4. A deoiling device as claimed in claim 3 wherein the moving assembly comprises:

the first guide rail is connected to the rack and extends along the first direction;

the second guide rail is connected to the first guide rail in a sliding manner along the first direction and extends along the second direction; and

and the second support piece is connected with the second guide rail in a sliding way along the second direction, and the nozzle is detachably connected with the second support piece.

5. The oil removing apparatus according to claim 2 or 4, wherein the number of the nozzles is two, the two nozzles are sequentially arranged in the second direction, and each of the nozzles is provided corresponding to one of the positioning members.

6. The oil removal apparatus as claimed in claim 2, further comprising an oil collecting pan provided to the frame, the oil collecting pan, the positioning mechanism, and the cleaning mechanism being provided in this order along a third direction;

the third direction is perpendicular to the first direction and the second direction.

7. The oil removal apparatus as claimed in claim 6, wherein the first support is provided with a plurality of through holes in the third direction, and a gap is provided between the first support and the oil collecting pan.

8. The oil removal device of claim 6, further comprising a first package and a second package, wherein the first package and the oil collecting disc are all hermetically arranged on the outer side of the frame, the oil collecting disc, the first package and the frame enclose a containing cavity with an opening, the second package is arranged at the opening and is slidably connected with the frame along the third direction so as to open and close the opening, and the positioning mechanism and the cleaning mechanism are all arranged in the containing cavity.

9. The oil removal apparatus as claimed in claim 8, further comprising a negative pressure mechanism, wherein the oil collecting pan is provided with a connection hole, wherein the negative pressure mechanism is communicated with the accommodating chamber through the connection hole, and wherein the negative pressure mechanism is configured to provide a suction force to the accommodating chamber so that a position in the accommodating chamber close to the oil collecting pan is in a negative pressure state.

10. The oil removal device of claim 8, further comprising two jacking cylinders extending in the third direction, wherein a cylinder barrel of each jacking cylinder is fixedly mounted on the frame, and a piston rod of each jacking cylinder is connected with the second packaging member at different positions along the first direction.